smack (one's) lips

Translations
предвкушать что-то с удовольствием
He was smacking his lips at the thought of the delicious meal.
Он предвкушал вкусное блюдо с удовольствием.
Definitions
To make a noise by pressing and parting the lips, often as a sign of anticipation or enjoyment of food, or to show satisfaction or relish.
Words
smack

verb
прищёлкивать
one

pronoun
свои
is

functional word
есть
lips

noun
губы